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warn if did not get a terminal input

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svn: r5253
This commit is contained in:
Eli Barzilay 2007-01-08 00:46:04 +00:00
parent d48ad4fed3
commit a0af57c0b2
1 changed files with 6 additions and 3 deletions
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9
collects/readline/mzrl.ss
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@ -46,9 +46,12 @@
;; need to capture the real input port below
(define real-input-port (current-input-port))
(unless (eq? 'stdin (object-name (current-input-port)))
(fprintf (current-output-port)
"mzrl warning: could not capture the real input port"))
(unless (eq? 'stdin (object-name real-input-port))
(fprintf (current-error-port)
"mzrl warning: could not capture the real input port\n"))
(unless (terminal-port? real-input-port)
(fprintf (current-error-port)
"mzrl warning: input port is not a terminal\n"))
;; make it possible to run Scheme threads while waiting for input
(set-ffi-obj! "rl_event_hook" libreadline (_fun -> _int)